Master Tonberry (Final Fantasy VII) uses "Everyone's Grudge", an ability powered by the vengeance of all the monsters you have killed.

Power/Ability to:

Contents

Also Called

Grudge Affinity/Augmentation/Empowerment

Revenge Affinity/Augmentation

Vengeance Affinity/Augmentation/Empowerment

Capabilities

User becomes stronger, faster, more durable, etc. from vengeance of oneself and others, possibly unlocking abilities related to the affinity and enhancing their existing powers. Some users may be able to draw sustenance from vengeance or even slow or stop aging.